Planet Earth Odd Facts Quiz

How much carbon dioxide do forests absorb from the atmosphere each year?

• 2 Gigatonnes

• 4 Gigatonnes

• 6 Gigatonnes

• 8 Gigatonnes

What geological process is responsible for Earth's squishy interior?

• Plate tectonics

• Volcanic activity

• Post-glacial rebound

• Seafloor spreading

Which continent is the second smallest in size but third largest in population?

• Asia

• Africa

• Europe

• Australia

Where is the largest ice sheet on Earth located?

• Greenland

• Alaska

• Antarctica

• Arctic Ocean

Which desert is considered the driest place on Earth?

• Sahara Desert

• Gobi Desert

• Atacama Desert

• Mojave Desert

What role do forests play in combating climate change?

• Releasing carbon dioxide into the atmosphere

• Absorbing carbon dioxide from the atmosphere

• Increasing global temperatures

• Decreasing biodiversity

Why is the Tibetan Plateau referred to as Earth's 'third pole'?

• It has the highest elevation on Earth

• It contains the largest reserve of freshwater outside of the North and South Poles

• It experiences the highest wind speeds on Earth

• It is the coldest place on Earth

What percentage of Earth's land surface is covered by forests?

• 10%

• 20%

• 30%

• 40%

What causes Earth to appear round?

• The presence of oceans

• Earth's rotation and gravitational variations

• The Moon's gravitational pull

• Global warming effects

What is causing the Moon to drift away from Earth?

• Solar winds

• Tidal forces

• Earth's rotation

• Impact from asteroids